Chevrolet C Series 1997 — technical service bulletin
Bulletin 776508 · NHTSA communication 51355 · issued Feb 1, 1997
Technical service bulletin
communication type
Engine and Engine Cooling
component
1997
model years
13
vehicle entries
Official summary
Dtc p0442 caused by a eveap vent (solenoid) valve leak. *ak
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.